Graduate Project
Class
Precision Mechanical Design
Completion Date
Key Skills
SolidWorks · Material Selection
Project Summary
Designed a high-precision linear motion stage to meet defined performance requirements.
Selected materials and components to optimize accuracy, speed, and reliability.
Evaluated manufacturing processes to support precision assembly.
Goals/Requirements
Achieve ≤ 5 µm positioning accuracy.
Support high-speed motion with a 100% duty cycle.
Minimize friction, wear, and thermal effects.
Meet dimensional and performance requirements defined by ASME B5.64.
Outcome
Selected an air bearing system to eliminate mechanical contact and reduce wear.
Designed a lightweight carriage using machined beryllium for high stiffness.
Specified a diamond-turned aluminum rail to improve precision and thermal stability.
Produced a concept capable of high-speed, low-friction linear motion.
Conclusion
Demonstrated the importance of balancing precision, materials, and manufacturability.
Identified opportunities to improve the design through encoder-first development, component sizing, cost analysis, and competitor benchmarking.
Recognized the value of reverse engineering and observing industrial precision systems to strengthen future designs.
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